Corner bead



FIG. 1 is a front top perspective view of a corner bead showing my new design, the upper and lower portions shown broken away to indicate indeterminate length;

FIG. 2 is a left top perspective view thereof, the right side being a mirror image;

FIG. 3 is a rear bottom perspective view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a corner bead, as shown and described. 